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Answer:

Step-by-step explanation:

As stated x and y has direct relation so

x ∝ y

x = KY  ( replacing ∝ by k )

k = x/y

x = 5 , y = 9

k = 5/9 its the VALUE of k

x = 45 and y = ?

x = ky

y = x / k

y = 45/5/9 ( 45 divided by 5 / 9 )

y = 81

x =85 and y = ?

y = x / k

y = 85 / 5 /9

y = 153

In last we have ,

x = ? and y = 288

x = ky

x = 5/9 ( 288 )

x =  160

x =5, 45 ,85 , 160

y =9 , 81 ,153 , 288  ANSWER


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